A mysterious outbreak of severe pneumonia cases on New York City's Upper East Side continues to spread, prompting a city-led investigation into the cause of the illness. At least 13 people have fallen ill with symptoms of the rare and potentially deadly disease, with several of them requiring hospitalization. Health officials are working to determine if the cases are linked to a specific source or are the result of a larger public health issue. As the probe unfolds, residents in the affected area are advised to remain vigilant and take precautions to prevent the spread of the disease.


Severe pneumonia outbreak on Upper East Side expands as NYC probe continues  NBC New York